ORA-03113 при вызове функции на java(Oracle 9.2) : Oracle

public static oracle.sql.BLOB smBlobChunk2blob(oracle.sql.BLOB src) throws SQLException, IOException {
        InputStream in = null;
        OutputStream out = null;
        BLOB outputBLOB = null;
        try {
            outputBLOB = BLOB.createTemporary(getConnection(),true, BLOB.DURATION_SESSION);
            float f = 1/0;
            in = src.getBinaryStream();
            out = outputBLOB.getBinaryOutputStream();
            int length;
            byte[] rbuf = new byte[src.getChunkSize()];
            byte[] wbuf;
            boolean firstChunk = true;
            while( (length = in.read(rbuf)) != -1 ) {
                if( firstChunk ) {
                    firstChunk = false;
                    // конвертим 4 последовательных байта в int
                    int name_size = ((rbuf[0x0C + 3] & 0xFF) << 24) + ((rbuf[0x0C + 2] & 0xFF) << 16) + ((rbuf[0x0C + 1] & 0xFF) << 8) + (rbuf[0x0C] & 0xFF);
                    int offset = 0x0C + name_size + 7;
                    wbuf = ShiftBuffer(rbuf, offset);
                    length -= offset;
                } else {
                    wbuf = rbuf;
                }
                out.write(wbuf, 0, length);
            }
        } finally {
            if( out != null )
                out.close();
            if( in != null )
                in.close();
        }
        return outputBLOB;
    }
    private static byte[] ShiftBuffer(byte[] src, int shift) {
        if( shift > src.length )
            return new byte[0];

        byte[] trg = new byte[src.length - shift];
        for( int i = 0; i < src.length - shift; i++ ) {
            trg[i] = src[i + shift];
        }
        return trg;
    }

function smBlobChunk2blob(src blob) return blob as
  language java name 'LobUtils.smBlobChunk2blob(oracle.sql.BLOB) return oracle.sql.BLOB';

declare
  src blob;
  bb blob;
begin
  SELECT theimage
    into src
    FROM supermag.smcardimage
   where article='016651';
  bb :=  supermag.usrLob_Utils.smBlobChunk2blob(src);
end;